In Apache Tika 0.1 to 1.18, the XML parsers were not configured to limit entity expansion. They were therefore vulnerable to an entity expansion vulnerability which can lead to a denial of service attack.
{
"github_reviewed": true,
"github_reviewed_at": "2020-06-16T21:19:32Z",
"nvd_published_at": null,
"severity": "HIGH",
"cwe_ids": [
"CWE-611"
]
}